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Original Dimensions (Ratio)

New Dimensions

About the Aspect Ratio Calculator

The Aspect Ratio Calculator is an essential utility for video editors, designers, and social media managers. It helps you accurately calculate the correct dimensions to maintain a video's aspect ratio when resizing. Whether you're converting a widescreen video for a vertical platform or cropping content to fit a specific frame, this tool ensures your visuals never look stretched or distorted.

  • Maintain Proportions

    Automatically calculates the corresponding width or height to prevent distortion.

  • Platform-Ready

    Use presets to quickly find dimensions for common formats like 16:9, 9:16, and 1:1.

  • Error-Free Resizing

    Eliminate guesswork and ensure your videos and graphics fit perfectly every time.

  • Simple and Fast

    A clean, straightforward interface for getting the numbers you need instantly.

Use Cases

Social Media Managers

Quickly resize a standard 16:9 video to a 9:16 vertical format for TikTok or a 1:1 square format for an Instagram feed post.

Video Editors

Calculate the correct dimensions needed to crop a video to a specific aspect ratio without distorting the image.

Graphic Designers

Determine the pixel dimensions needed for a graphic that will be used in a video project with a specific aspect ratio.

Web Developers

Calculate the height of a video container when you only know the width and need to maintain a 16:9 aspect ratio to prevent layout shift.

Pro Tips

Know Your Platforms

Different platforms favor different aspect ratios. 16:9 is standard for YouTube, but 9:16 is essential for mobile-first platforms like TikTok and Instagram Reels.

Beware of "Safe Zones"

When creating vertical video (9:16), remember that the platform's UI (like captions and buttons) will cover the bottom and top parts of the screen. Keep your most important visual information in the center.

Aspect Ratio vs. Resolution

Aspect ratio is the shape of the video (e.g., 16:9), while resolution is the number of pixels it contains (e.g., 1920x1080). You can have many resolutions with the same aspect ratio.

Use Presets for Speed

If you frequently work with standard formats, use the preset buttons to quickly load common dimensions like 1080p for 16:9 or 1080x1920 for vertical video.

Frequently Asked Questions

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